Obserwacje źle sklasyfikowane na zbiorze walidacyjnnym
## # A tibble: 6 x 4
## id predicted true V1
## <int> <chr> <chr> <chr>
## 1 19 tech business firm, online, games, news, entertainment, wir…
## 2 21 tech business interactive, tv, said, uplift, fraud, uk, sin…
## 3 22 tech business desk, extensive, storage, combine, tub, chair…
## 4 73 business entertain… sequel, made, bn, m, worldwide, now, spider, …
## 5 82 business politics got, segregated, employment, old, fashioned, …
## 6 92 business politics said, mr, brown, also, pensioners, payments, …